Design a Water Filter

A Semester-long Thread

What does Design, or Engineering, Have to Do With Biology?

Using the Engineering Process

ASK

IMAGINE

PLAN

CREATE

IMPROVE

What is the problem?

What does the Solution look like?

What is the Design?

Implement the Design

Test the Design.

LAB: Testing Porosity

ASK

LAB: Testing Porosity

Reading About Water: Arsenic Crisis in Bangladesh

Scientific American July 2004A. Mushtaque & R. Chowdhury

Writing a Reflection

Make a Connection between Yourself and the Ideas presented in the article Arsenic Crisis in Bangladesh

LAB: Filtering Particulates

LAB: Filtering Particulates

1 1.2 1.3 1.6 1.9

0 0 0 0.7 0.8

2 2 2 2 2

0.3 0.4 0.5 0.6 0.7

Reading & Lectures: Chemistry for Biology

The Properties of WaterDiffusion & Osmosis

LAB: Engineering a Steady Flow

LAB: Engineering a Steady Flow

Phospholipid Bilayers: Thinnest of Films,

Separating Life and Lysis

LAB: Diffusion, Osmosis &

Paper Chromatography

Reading About Water: Wading in Waste

Scientific AmericanJune 2006

Thanks to unchecked development along America’s coasts, disease-causing microbes are increasingly fouling beaches and shellfish beds By Michael A. Mallin

Reading About Water: Wading in Waste

Scientific AmericanJune 2006

How do diverse interests solve biological problems?

Role Play

LAB: Putting it All TogetherDesign a Water Filter

Using the Engineering Process to Design a Water Filter

Biology 11

Photo and Image Credits:Slide 1: Water Drop in Blue series 1-5 http://www.flickr.com/photos/dalantech/Slide 2: D.M.Fernandes, personal photo.Slide 3, 4, 8, 11, 14, 17: Microsoft ClipsSlide 5, 6 left to right, top to bottom:

Water Filter Abstract http://www.flickr.com/photos/deqalb/colour resin cloth http://www.flickr.com/photos/betsymartian/ filter http://www.flickr.com/photos/sheeshoo/ humidifier filter http://www.flickr.com/photos/hawktrainer/MG3DR-context http://www.flickr.com/photos/merrow/

Slide 7: Dilip Mehta, Contact Press Images, Scientific American, August 2004.Slide 9, 10: Non-Filtered and Filtered Water http://www.flickr.com/photos/sog/Slide 12, 13: Water Stream http://www.flickr.com/photos/mattholt/

sponge cake (for groc) http://www.flickr.com/photos/rakka/Slide 15: Chromatography – drying http://www.flickr.com/photos/misstinykitten/Slide 16: Emily Harrison, Eye of Science, Scientific American, June 2006.Slide 18: Getting Water http://www.flickr.com/photos/seabird/

Non-Filtered and Filtered Water http://www.flickr.com/photos/sog/Slide 19: Water Drop in Blue series 1-5 http://www.flickr.com/photos/dalantech/